98805143 has 4 divisors (see below), whose sum is σ = 98979360. Its totient is φ = 98630928.

The previous prime is 98805137. The next prime is 98805151. The reversal of 98805143 is 34150889.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98805143 - 2²⁰ = 97756567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98805097 and 98805106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98805103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86255 + ... + 87392.

It is an arithmetic number, because the mean of its divisors is an integer number (24744840).

Almost surely, 2^98805143 is an apocalyptic number.

98805143 is a deficient number, since it is larger than the sum of its proper divisors (174217).

98805143 is a wasteful number, since it uses less digits than its factorization.

98805143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174216.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 98805143 is about 9940.0776153911. The cubic root of 98805143 is about 462.3027927684.

The spelling of 98805143 in words is "ninety-eight million, eight hundred five thousand, one hundred forty-three".